Curlfin sole

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Curlfin sole
Pleuronichthys decurrens, Curlfin Sole, upper surface.jpg
Pleuronichthys decurrens, Curlfin Sole, lower surface.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Pleuronectiformes
Family: Pleuronectidae
Genus: Pleuronichthys
Species:
P. decurrens
Binomial name
Pleuronichthys decurrens
Curlfi sole distribution map.png
Distribution of curlfin sole

The curlfin sole (Pleuronichthys decurrens) is a species of flatfish in the family Pleuronectidae. It was first described to science by David Starr Jordan and Charles Henry Gilbert, his long-time mentee.

Contents

It is a demersal fish that lives on soft bottoms at depths of between 8 and 530 metres (26 and 1,739 ft). Its native habitat is the subtropical waters of the eastern Pacific, from Prince William Sound, Alaska in the north to San Quintín, Baja California in the south. It can grow up to 37 centimetres (15 in) in length, and reach weights of up to 775 grams (1.709 lb), with females generally being larger than males. [1] [2]

Description

Detail of the dorsal fin curl from which the species derives its common name Pleuronichthys decurrens, Curlfin Sole, detail of dorsal fin curl.jpg
Detail of the dorsal fin curl from which the species derives its common name

The curlfin sole is a right-eyed flatfish with large, closely set eyes and a small mouth. The upper surface is reddish brown to dark brown or black, usually with brown or grey mottling; the underside is light. The fins are dark in colour, and the caudal fin is rounded. There is a high, bony ridge between the eyes with a blunt spine at each end. [3]

Diet

The diet of the curlfin sole consists mainly of zoobenthos polychaetes, crustacean eggs and brittle stars. [1] [2]

Reproduction

The curlfin sole spawns from April to August, and eggs hatch within seven days of fertilisation. [2]

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A flatfish is a member of the ray-finned demersal fish order Pleuronectiformes, also called the Heterosomata, sometimes classified as a suborder of Perciformes. In many species, both eyes lie on one side of the head, one or the other migrating through or around the head during development. Some species face their left sides upward, some face their right sides upward, and others face either side upward.

<span class="mw-page-title-main">European plaice</span> Species of fish

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<span class="mw-page-title-main">Lemon sole</span> Species of fish

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<span class="mw-page-title-main">Common sole</span> Species of fish

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<span class="mw-page-title-main">Witch (righteye flounder)</span> Species of fish

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<span class="mw-page-title-main">European flounder</span> Species of fish

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<i>Pleuronichthys</i> Genus of fishes

Pleuronichthys is a genus of fish in the family Pleuronectidae found in the Pacific Ocean.

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<span class="mw-page-title-main">Rex sole</span> Species of fish

The rex sole is a flatfish of the family Pleuronectidae. Locally, it may also be known as a witch or threadfin sole. It is a demersal fish that lives in temperate waters on sand or mud bottoms at depths of up to 900 metres (3,000 ft), though it is most commonly found between 61 and 500 metres. Its native habitat is the northern Pacific, from Baja California in Mexico up the coasts of the United States, British Columbia and Alaska, across the Bering Sea to the coast of Russia and the Sea of Japan. It is slow-growing, reaching up to 60 centimetres (24 in) in length, and it can weigh up to 2.0 kilograms (4.4 lb). Maximum reported lifespan is 24 years.

<span class="mw-page-title-main">Rock sole</span> Species of fish

The rock sole, also known as the Pacific rock sole or Southern rock sole is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on sand and gravel bottoms at depths of up to 575 metres (1,886 ft), though it is most commonly found between 0 and 183 metres. Its native habitat is the temperate waters of the northern Pacific, from Baja California to Alaska, the Aleutian Islands and southeastern parts of the Bering Sea. It grows up to 60 centimetres (24 in) in length and can weigh up to 1.8 kilograms (4.0 lb), and has a maximum recorded lifespan of 22 years.

<span class="mw-page-title-main">C-O sole</span> Species of fish

The C-O sole is a species of flatfish in the family Pleuronectidae. It is a demersal fish that lives on flat bottoms and rocky areas at depths of between 18 and 350 metres. Its native habitat is the temperate waters of the eastern Pacific, ranging from Sitka, Alaska in the north to San Quintín, Baja California in the south. It can grow up to 36 centimetres (14 in) in length.

<span class="mw-page-title-main">Yellowfin sole</span> Species of fish

The yellowfin sole is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on soft, sandy bottoms at depths of up to 700 metres (2,300 ft), though it is most commonly found at depths of around 91 metres (299 ft). Its native habitat is the temperate waters of the northern Pacific, from Korea and the Sea of Japan to the Sea of Okhotsk, the Bering Sea and Barkley Sound on the west coast of Canada. Males grow up to 49 cm (19 in) in length, though the common length is around 33.5 cm (13.2 in). The maximum recorded weight is 1.7 kg (3.7 lb), and the maximum recorded lifespan is 26 years.

<span class="mw-page-title-main">Sakhalin sole</span> Species of fish

The Sakhalin sole is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on bottoms at depths of between 10 and 360 metres, though it is most commonly found between around 50 and 100 metres. Its native habitat is the polar waters of the northwestern Pacific, from the Sea of Okhotsk to the west and central Bering Sea, as far as the Pribilof Islands. It can reach up to 36 centimetres (14 in) in length, though the common length is around 21.5 centimetres (8.5 in). The maximum recorded weight is 500 grams (18 oz), and the maximum recorded lifespan is 8 years.

The narrow-body righteye flounder is a flatfish of the family Pleuronectidae. It is a demersal fish that lives on saltwater bottoms at depths of between 218 and 438 metres. Its natural habitat is the waters of the Indo-West Pacific, from the Bali Strait to Northern Territory, Queensland and New South Wales in Australia. It can grow up to 15 centimetres (5.9 in) in length.

<i>Zebrias</i> Genus of fishes

Zebrias is a genus of ray-finned fish in the family Soleidae.

References

  1. 1 2 Froese, Ranier; Luna, Susan M. (6 April 2010). Pauly, Daniel (ed.). "Pleuronichthys decurrens". Fishbase . Retrieved 2010-04-21.
  2. 1 2 3 "Curlfin Sole". National Oceanic and Atmospheric Administration . Retrieved 2010-04-21.
  3. "Curlfin sole". Oregon Department of Fish and Wildlife. Archived from the original on 2011-06-09. Retrieved 2010-04-21.